Echelon Neuron Bedienungsanleitung PDF herunterladen (Seite 197)

pushd #d’8 ; (d’8, 0)

call _not16 ; (d’247, d’255)

_or16 (Or, 16 Bit)

This function returns the bitwise OR of two 16-bit values.

Stack Transformation: (a(2), b(2) -- a(2) | b(2))

Location: Near

Registers Affected: None

Example:

This example determines h’1234 OR h’4321.

pushd #h’1234 ; (h’34, h’12)

pushd #h’4321 ; (h,21, h’43, h’34, h’12)

call _or16 ; (h’35, h’53)

_pop (Pop from TOS and Push to Offset)

This function writes a location on the stack. It can be thought of as an extension

to the instruction POP [DSP][offset ], which writes TOS into the stack at offset.

For _pop, the offset is two less than what would be used in the POP instruction.

Stack Transformation: (offset, value -- …, value, …)

Location: Near

Registers Affected: None

Example:

This example does the equivalent of a POP [DSP][-3].

; (a, b, c, d, e)

push #@lb(-d’5) ; (-5, a, b, c, d, e)

call _pop ; (b, c, d, a)

_pop1 (Pop from TOS and Push Short to Offset)

This function is very similar to _pop. The difference is that –d’18 is added to the

offset prior to use. This allows PUSHS to be used to push the offset, and thus it

is more efficient to pass in the offset.

Stack Transformation: (offset, value -- …, value, …)

Location: Near

Registers Affected: None

Neuron Assembly Language Reference 187

1 2 ... 192 193 194 195 196 197 198 199 200 201 202 ... 236 237

Keine Kommentare

Echelon Neuron Bedienungsanleitung Seite 197